EP3732528A4 - Exit pupil expander - Google Patents

Exit pupil expander Download PDF

Info

Publication number
EP3732528A4
EP3732528A4 EP19778258.4A EP19778258A EP3732528A4 EP 3732528 A4 EP3732528 A4 EP 3732528A4 EP 19778258 A EP19778258 A EP 19778258A EP 3732528 A4 EP3732528 A4 EP 3732528A4
Authority
EP
European Patent Office
Prior art keywords
exit pupil
pupil expander
expander
exit
pupil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19778258.4A
Other languages
German (de)
French (fr)
Other versions
EP3732528A1 (en
Inventor
Juuso Olkkonen
Petri MYÖHÄNEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dispelix Oy
Original Assignee
Dispelix Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dispelix Oy filed Critical Dispelix Oy
Publication of EP3732528A1 publication Critical patent/EP3732528A1/en
Publication of EP3732528A4 publication Critical patent/EP3732528A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • G02B6/124—Geodesic lenses or integrated gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G02B2027/0174—Head mounted characterised by optical features holographic
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
EP19778258.4A 2018-03-28 2019-02-19 Exit pupil expander Pending EP3732528A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20185291A FI128837B (en) 2018-03-28 2018-03-28 Exit pupil expander
PCT/FI2019/050130 WO2019185973A1 (en) 2018-03-28 2019-02-19 Exit pupil expander

Publications (2)

Publication Number Publication Date
EP3732528A1 EP3732528A1 (en) 2020-11-04
EP3732528A4 true EP3732528A4 (en) 2021-09-22

Family

ID=68058587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19778258.4A Pending EP3732528A4 (en) 2018-03-28 2019-02-19 Exit pupil expander

Country Status (9)

Country Link
US (1) US11892623B2 (en)
EP (1) EP3732528A4 (en)
JP (1) JP7325427B2 (en)
KR (1) KR20200135770A (en)
CN (1) CN111656257B (en)
CA (1) CA3087650A1 (en)
FI (1) FI128837B (en)
SG (1) SG11202008104WA (en)
WO (1) WO2019185973A1 (en)

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WO2012136970A1 (en) 2011-04-07 2012-10-11 Milan Momcilo Popovich Laser despeckler based on angular diversity
WO2016020630A2 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Waveguide laser illuminator incorporating a despeckler
US9933684B2 (en) 2012-11-16 2018-04-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration
WO2016042283A1 (en) 2014-09-19 2016-03-24 Milan Momcilo Popovich Method and apparatus for generating input images for holographic waveguide displays
CN107873086B (en) 2015-01-12 2020-03-20 迪吉伦斯公司 Environmentally isolated waveguide display
US9632226B2 (en) 2015-02-12 2017-04-25 Digilens Inc. Waveguide grating device
WO2017060665A1 (en) 2015-10-05 2017-04-13 Milan Momcilo Popovich Waveguide display
JP6895451B2 (en) 2016-03-24 2021-06-30 ディジレンズ インコーポレイテッド Methods and Devices for Providing Polarized Selective Holography Waveguide Devices
US10545346B2 (en) 2017-01-05 2020-01-28 Digilens Inc. Wearable heads up displays
KR20200104402A (en) 2018-01-08 2020-09-03 디지렌즈 인코포레이티드. Systems and methods for manufacturing waveguide cells
JP7404243B2 (en) 2018-01-08 2023-12-25 ディジレンズ インコーポレイテッド Systems and methods for high-throughput recording of holographic gratings in waveguide cells
EP3924759A4 (en) 2019-02-15 2022-12-28 Digilens Inc. Methods and apparatuses for providing a holographic waveguide display using integrated gratings
JP2022525165A (en) 2019-03-12 2022-05-11 ディジレンズ インコーポレイテッド Holographic Waveguide Backlights and Related Manufacturing Methods
WO2020247930A1 (en) 2019-06-07 2020-12-10 Digilens Inc. Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing
EP4022370A4 (en) 2019-08-29 2023-08-30 Digilens Inc. Evacuating bragg gratings and methods of manufacturing
CN111240015B (en) * 2020-01-17 2020-12-18 北京理工大学 Diffraction waveguide with uniform double-side outgoing light
CN113960796A (en) * 2021-10-15 2022-01-21 嘉兴驭光光电科技有限公司 Diffractive optical waveguide, display device, and diffractive optical waveguide designing method
CN115166895B (en) * 2022-01-13 2023-04-07 北京驭光科技发展有限公司 Display device, diffraction light waveguide for display, and method for designing the same
CN115236788B (en) * 2022-06-27 2024-09-06 北京灵犀微光科技有限公司 Optical waveguide device, near-to-eye display device and intelligent glasses

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US20110176218A1 (en) * 2008-09-16 2011-07-21 Louahab Noui waveguides
US20120218481A1 (en) * 2009-10-27 2012-08-30 Milan Momcilo Popovich Compact holographic edge illuminated eyeglass display

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Also Published As

Publication number Publication date
WO2019185973A1 (en) 2019-10-03
EP3732528A1 (en) 2020-11-04
SG11202008104WA (en) 2020-09-29
US20210072534A1 (en) 2021-03-11
CN111656257B (en) 2022-04-12
CA3087650A1 (en) 2019-10-03
CN111656257A (en) 2020-09-11
US11892623B2 (en) 2024-02-06
FI20185291A1 (en) 2019-09-29
KR20200135770A (en) 2020-12-03
JP7325427B2 (en) 2023-08-14
JP2021517265A (en) 2021-07-15
FI128837B (en) 2021-01-15

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